1. Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
2. Cartilage Regeneration Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
3. China-Korea United Cell Therapy Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
4. Cell Therapy Center, Ajou University Hospital, Suwon, Republic of Korea.
5. Department of Orthopaedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.
6. Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea.